A teacher teaches 6 students how to fold an origami model. Each of these students goes on to teach FIVE students of their own how to fold the same model. If this teaching process goes on for 9 generations. How many people will know how to fold the origami model?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.